*/
package org.opendaylight.controller.md.sal.dom.store.impl;
-import static com.google.common.base.Preconditions.checkNotNull;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.Futures;
import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.CheckedFuture;
-import com.google.common.util.concurrent.Futures;
+import static com.google.common.base.Preconditions.checkNotNull;
/**
*
return Futures.immediateFailedCheckedFuture(new ReadFailedException("Read failed",e));
}
}
-}
\ No newline at end of file
+
+ @Override public CheckedFuture<Boolean, ReadFailedException> exists(YangInstanceIdentifier path) {
+ LOG.debug("Tx: {} Exists: {}", getIdentifier(), path);
+ checkNotNull(path, "Path must not be null.");
+
+ try {
+ return Futures.immediateCheckedFuture(
+ read(path).checkedGet().isPresent());
+ } catch (ReadFailedException e) {
+ return Futures.immediateFailedCheckedFuture(e);
+ }
+ }
+}